Datasheet Texas Instruments UCC2897APW

ManufacturerTexas Instruments
SeriesUCC2897A
Part NumberUCC2897APW
Datasheet Texas Instruments UCC2897APW

Advanced Current-Mode Active Clamp PWM Controller 20-TSSOP -40 to 125

Datasheets

UCC2897A Advanced Current-Mode Active-Clamp PWM Controller datasheet
PDF, 1.7 Mb, Revision: E, File published: Jun 3, 2011
Extract from the document

Prices

Status

Lifecycle StatusActive (Recommended for new designs)
Manufacture's Sample AvailabilityNo

Packaging

Pin20
Package TypePW
Industry STD TermTSSOP
JEDEC CodeR-PDSO-G
Package QTY70
CarrierTUBE
Device MarkingUCC2897A
Width (mm)4.4
Length (mm)6.5
Thickness (mm)1
Pitch (mm).65
Max Height (mm)1.2
Mechanical DataDownload

Parametrics

Control MethodCurrent
Duty Cycle(Max)74 %
Frequency(Max)1000 kHz
Gate Drive(Typ)2 A
Operating Temperature Range-40 to 125 C
Package GroupTSSOP
RatingCatalog
Special FeaturesHV Start-up,Input Line Monitor,Programmable Slope Compensation,Soft Start,Soft Switching
TopologyActive-Clamp Forward,Forward
UVLO Thresholds On/Off12.7/~8 V
Vin(Max)110 V
Vin(Min)18 V

Eco Plan

RoHSCompliant

Design Kits & Evaluation Modules

  • Evaluation Modules & Boards: UCC2897AEVM
    UCC2897A Evaluation Module
    Lifecycle Status: Active (Recommended for new designs)
  • Evaluation Modules & Boards: TPS2373-4EVM-758
    TPS2373 Evaluation Module for IEEE802.3bt PoE PD Applications
    Lifecycle Status: Active (Recommended for new designs)

Application Notes

  • UCC2897A Peak Current Mode Active Clamp Forward Converter Small Signal Modeling
    PDF, 748 Kb, File published: Jan 17, 2014
  • External Slope Compensation for UCC2897A in Some Special Applications
    PDF, 192 Kb, File published: Jan 5, 2010
  • Understanding and Designing an Active Clamp Current Mode Controlled Converter
    PDF, 845 Kb, File published: May 6, 2010
    The UCC2897A Current Mode Active Clamp PWM Controller offers a highly integrated feature set resulting in precision control required for an active clamp forward or flyback converter. The UCC2897A data sheet contains all the design details necessary for accurately programming the device. However, there are significant design considerations and trade-offs unique to the active clamp power stage that
  • Method of Providing Hiccup Operation for UCC2897AEVM
    PDF, 361 Kb, File published: Aug 27, 2009
    This application note is to provide users of the UCC2897AEVM with a method of generating acyclic restart or restart attempt of the EVM should the converter encounter an overcurrent condition including an output short.

Model Line

Manufacturer's Classification

  • Semiconductors > Power Management > Offline and Isolated DC/DC Controllers and Converters > PWM and Resonant Controller
EMS supplier